s. belonging to the lowest and least privileged social stratum
n. 低年级学生
1. The underclass often faces significant challenges in accessing education and job opportunities.
下层阶级通常在获取教育和就业机会方面面临重大挑战。
2. Many social programs aim to help the underclass improve their living conditions.
许多社会项目旨在帮助下层阶级改善他们的生活条件。
3. The rise of technology has widened the gap between the upper class and the underclass.
科技的崛起加大了上层阶级与下层阶级之间的差距。